Analog devices Spur Reduction Technology Demo Results

Below is a series of before and after plots of the 1st five Nyquist zones with a CW signal in each of the zones. These plots highlight our spur reduction technology in each of the Nyquist zones.

  • 2.4 Gsps Acquisition Rate
  • 1 M Samples
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Nyquist Zone 1 High End – 1028 MHz @ -2dBFS

 

 

Improvements
SFDR = 40.2 dB
SINAD = 23.2 dB
ENOB = 3.9 Bits

Nyquist Zone 2 Low End – 1331 MHz @ -2dBFS

 

 

Improvements
SFDR = 33.3 dB
SINAD = 20.9 dB
ENOB = 3.5 Bits

Nyquist Zone 2 High End – 2251 MHz @ -2dBFS

 

 

Improvements
SFDR = 36.5 dB
SINAD = 24.7 dB
ENOB = 4.1 Bits

Nyquist Zone 3 Low End – 2542 MHz @ -2dBFS

 

 

Improvements
SFDR = 35.4 dB
SINAD = 23.1 dB
ENOB = 3.8 Bits

Nyquist Zone 3 High End – 3467 MHz @ -2dBFS

 

 

Improvements
SFDR = 41.0 dB
SINAD = 27.4 dB
ENOB = 4.6 Bits

Nyquist Zone 4 Low End – 3866 MHz @ -2dBFS

 

 

Improvements
SFDR = 40.8 dB
SINAD = 29.0 dB
ENOB = 4.8 Bits

Nyquist Zone 4 High End – 4666 MHz @ -2dBFS

 

 

Improvements
SFDR = 42.0 dB
SINAD = 31.7 dB
ENOB = 5.3 Bits

Nyquist Zone 5 Low End – 4967 MHz @ -2dBFS

 

 

Improvements
SFDR = 47.0 dB
SINAD = 33.8 dB
ENOB = 5.6 Bits